import java.util.Scanner;

//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
public class Main {
    public static void main(String[] args)
    {
       /* Scanner scanner=new Scanner(System.in);
        System.out.println("请输入圆的半径:");
        double r=scanner.nextDouble();
        double area=Math.PI*Math.pow(r,2);
        double circumference=2*Math.PI*r;
        System.out.println("圆的面积为:"+area);
        System.out.println("圆的周长为:"+circumference);*/
        char ch='A';
        byte b=(byte)ch;
        System.out.println("the char value:"+ch);
        System.out.println("the byte value:"+(int)b);

    }
    }
